Web: http://arxiv.org/abs/2205.04980

May 11, 2022, 1:11 a.m. | Shujian Zhang, Chengyue Gong, Xingchao Liu, Pengcheng He, Weizhu Chen, Mingyuan Zhou

cs.LG updates on arXiv.org arxiv.org

Active learning, which effectively collects informative unlabeled data for
annotation, reduces the demand for labeled data. In this work, we propose to
retrieve unlabeled samples with a local sensitivity and hardness-aware
acquisition function. The proposed method generates data copies through local
perturbations and selects data points whose predictive likelihoods diverge the
most from their copies. We further empower our acquisition function by
injecting the select-worst case perturbation. Our method achieves consistent
gains over the commonly used active learning strategies in …

active learning arxiv learning

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